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Finding the Fourth Proportional to 8,949.44, 12,346.08 and 5,590.08

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Solution

The fourth proportional to 8,949.44, 12,346.08 and 5,590.08 is: 7,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.44 : 12,346.08 = 5,590.08 : x
  2. Step 2: Convert to fraction form
    8,949.44/12,346.08 = 5,590.08/x
  3. Step 3: Cross multiply
    8,949.44x = 12,346.08 × 5,590.08
  4. Step 4: Simplify right side
    8,949.44x = 69,015,574.89
  5. Step 5: Solve for x
    x = 69,015,574.89/8,949.44
  6. Step 6: Final answer
    x = 7,711.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.